Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 380 (ENGINE CONTROL SYSTEM - 3.5L - DTC P0010 TO DTC P0420)DTC P0010 OR P0011CIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Circuit/System Verification
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The supply of clean pressurized engine oil to the CMP actuator is essential to CMP actuator performance.
- Ensure vehicle has the proper oil viscosity.
- Observe the engine oil level. The engine oil level should be within operating range
- Allow engine to reach operating temperature
- Set the parking brake and place the vehicle in Park for automatic, or Neutral for manual.IMPORTANT: The engine will run rough and may require throttle input to keep running.
- Command the CMP actuator to 25 percent. The Desired CMP parameter should match the CMP Angle parameter.
- Observe the CMP variance parameter. The CMP Variance indicates the difference in degrees between the CMP Angle and the Desired CMP. The CMP Variance will rise for 1-2 seconds until the CMP Angle parameter matches the Desired CMP parameter. The CMP Variance should again return to 0 degrees.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.